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Class 9 1. Number Systems Exercise 1.1: NCERT Book Solutions


Class 9 chapter 1. Number Systems Important key points for quick revision for board exams, ssc and upsc exams preparaion.

NCERT Solutions

All chapters of ncert books Mathematics 1. Number Systems Exercise 1.1 is solved by exercise and chapterwise for class 9 with questions answers also with chapter review sections which helps the students who preparing for UPSC and other competitive exams and entrance exams.

Class 9 chapter 1. Number Systems Important key points for quick revision for board exams, ssc and upsc exams preparaion. - 1. Number Systems - Exercise 1.1: NCERT Book Solutions for class 9th. All solutions and extra or additional solved questions for 1. Number Systems : Exercise 1.1 Mathematics class 9th:English Medium NCERT Book Solutions. Class 9 chapter 1. Number Systems Important key points for quick revision for board exams, ssc and upsc exams preparaion.

 

1. Number Systems : Exercise 1.1 Mathematics class 9th:English Medium NCERT Book Solutions

Class 9 chapter 1. Number Systems Important key points for quick revision for board exams, ssc and upsc exams preparaion. - 1. Number Systems - Exercise 1.1: NCERT Book Solutions for class 9th. All solutions and extra or additional solved questions for 1. Number Systems : Exercise 1.1 Mathematics class 9th:English Medium NCERT Book Solutions.

Class 9 1. Number Systems Exercise 1.1: NCERT Book Solutions

NCERT Books Subjects for class 9th Hindi Medium

Page 1 of 5

1. Number Systems

 

Class 9 chapter 1. Number Systems Important key points for quick revision for board exams, ssc and upsc exams preparaion.

Exercise 1.1

Exercise:1.1

 

Q1. Is zero a rational number? Can you write it in the form p/q, where p and q are integers and q ≠ 0?

Solution:

Yes, zero is a rational number, because it can be represented on a number line and it can be written in the form of p/q, 

Where P = 0 and q ≠ 0; 

Q4. State whether the following statements are true or false. Give reasons for your answers. 

(I)   Every natural number is a whole number. 

(ii)  Every integer is a whole number.

(iii) Every rational number is a whole number.

Solution:  

(I)   Every natural number is a whole number.  (True

Reason: Whole numbers contains all natural numbers. 

(ii)  Every integer is a whole number. (False

Reason: Integers have also negative number while whole number does not have such negative numbers. 

(iii) Every rational number is a whole number. (False

Reason: Rational numbers have variety of numbers, those numbers can not be represented as whole number. 

 

 

Page 1 of 5

Class 9 chapter 1. Number Systems Important key points for quick revision for board exams, ssc and upsc exams preparaion.

See other sub-topics of this chapter:

1. Exercise 1.1

2. Exercise 1.2

3. Exercise 1.3

4. Exercise 1.4

5. Exercise 1.5

Class 9 chapter 1. Number Systems Important key points for quick revision for board exams, ssc and upsc exams preparaion. - 1. Number Systems - Exercise 1.1: NCERT Book Solutions for class 9th. All solutions and extra or additional solved questions for 1. Number Systems : Exercise 1.1 Mathematics class 9th:English Medium NCERT Book Solutions. Class 9 chapter 1. Number Systems Important key points for quick revision for board exams, ssc and upsc exams preparaion.

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NCERT Solutions

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Notes And NCERT Solutions

Our NCERT Solution and CBSE Notes are prepared for Term 1 and Terms 2 exams also Board exam Preparation.

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Mathematics Chapter List

  • 1. Number Systems

  • 2. Polynomials

  • 3. Coordinate Geometry

  • 4. Linear Equation In Two Variables

  • 5. Introduction To Euclid’s Geometry

  • 6. Lines and Angles

  • 7. Triangles

  • 8. Quadrilaterals

  • 9. Area Parallelograms and Triangles

  • 10. Circles

  • 11. Constructions

  • 12. Herons Formula

  • 13. Surface Areas and Volumes

  • 14. Statistics

  • 15. Probability


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